WIP test support for parser
* Just getting gtest up and running provisionally
* Currently not including gtest source just yet until I figure out build
  system of some kind
* Will likely settle on gyp and build out a .gyp soon
* Fixed a bug with trailing \r on header field values
* For now just added some basic build files so I don't forget the
  commands I am running
* Storing strings for the headers is probably not the best way to do
  this, but I am being lazy and want to get onto the fun bit with
  websockets